Parasitic Infections Quiz

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18 Questions

Which of the following is the infective stage of a parasite that infects the definitive host?

Infective stage

What is the term given to a disease of animals that is transmissible to humans?

Zoonosis

Which phylum do the helminths (worms) that parasitize humans belong to?

Both a and b

What is the characteristic of the digestive system of trematodes (flukes)?

It is blind

Which of the following is the mode of infection for parasites?

All of the above

Which branch of Medical Parasitology deals with the study of arthropods?

Entomology

What is the definition of a parasite according to the text?

An organism that lives on or in another organism and provides it with protection and nourishment

Which of the following is an example of an endoparasite?

Ancylostoma duodenale

What is the definition of a definitive host according to the text?

The host in which the adult stage of the parasite lives or sexual reproduction takes place

Which of the following is an example of a facultative parasite?

Parasites that can exist in soil and water independently of their hosts

What is the definition of a vector according to the text?

The host that transmits parasites to humans

What is the definition of an intermediate host according to the text?

The host which harbors the immature or larval stages of the parasite, or in which the asexual reproduction takes place

What type of hosts do trematodes utilize?

Snails as intermediate hosts

Which of the following statements about Fasciola species is INCORRECT?

Their intermediate host is a freshwater fish

Which of the following is NOT a parasitic trematode of humans?

Taenia solium (pork tapeworm)

What is the infective stage of Fasciola species?

Encysted metacercariae

Which of the following is TRUE about the geographical distribution of Fasciola species?

They have a cosmopolitan distribution

Which of the following statements about the morphology of Fasciola species is CORRECT?

They have two suckers: oral and ventral

Test your knowledge on parasitic infections by answering questions related to stages of parasites, sources of infection, and modes of transmission. Learn about different sources such as soil, water, food, animals, and more.

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